二、听对话和问题，选择正确答案。每段对话读两遍。
5. A. 15 minutes. B. 30 minutes. C. 45 minutes.
6. A. By train. B. By ship. C. By air.
7. A. Telephone the woman.
B. Buy the woman a ring.
C. Come to see the woman.
8. A. He just came back from a holiday.
B. He wrote some postcards to the woman.
C. He forgot receiving postcards from the woman.
